Spark Multiselect DropDownList

I needed a DropDownList with multiselect capability and wasn't entirely impressed with Googles offerings. Wondering why the DropDownList doesn't support this in the first place (after all, DropDownListBase does extend List which has this feature), I discovered this intriguing comment in the source code: PLAIN TEXT Actionscript: override public function set allowMultipleSelection(value:Boolean):void { // Don't allow [...]